package com.wxapp.common.base.asy;

import com.wxapp.common.constant.properties.AsyncPoolProperties;
import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import java.util.concurrent.Executor;

@Configuration
@EnableAsync  // 启用异步任务
@RequiredArgsConstructor
public class AsyncConfiguration {
    private final AsyncPoolProperties asyncPool;


    // 组件计算
    @Bean("WxExecutor")
    public Executor asyncExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //核心线程数5：线程池创建时候初始化的线程数
        executor.setCorePoolSize(asyncPool.getCorePoolSize());
        //最大线程数5：线程池最大的线程数，只有在缓冲队列满了之后才会申请超过核心线程数的线程
        executor.setMaxPoolSize(asyncPool.getMaxPoolSize());
        //缓冲队列500：用来缓冲执行任务的队列
        executor.setQueueCapacity(asyncPool.getQueueCapacity());
        //允许线程的空闲时间60秒：当超过了核心线程出之外的线程在空闲时间到达之后会被销毁
        executor.setKeepAliveSeconds(asyncPool.getKeepAlive());
        //线程池名的前缀：设置好了之后可以方便我们定位处理任务所在的线程池
        executor.setThreadNamePrefix(asyncPool.getThreadName());
        executor.initialize();
        return executor;
    }
}